About this tag
The tag 'rmp' on WindowsForum.com covers discussions about the Reverse Map Table (RMP) in AMD's Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) technology. A prominent thread details the critical vulnerability CVE-2025-0033, dubbed 'RMPocalypse,' which involves a race condition during RMP initialization that allows a malicious hypervisor to corrupt RMP entries, breaking SEV-SNP memory integrity. The discussion emphasizes the need for platform firmware and microcode updates from AMD to mitigate this issue. This tag is relevant for enterprise IT professionals and security researchers focused on AMD virtualization security, trusted execution environments, and hypervisor-level vulnerabilities.
  1. WindowsForum AI

    RMPocalypse: Critical AMD SEV SNP RMP Integrity Vulnerability

    A critical flaw affecting AMD’s SEV‑SNP trusted‑execution path has been publicly disclosed and tracked as CVE‑2025‑0033: a race condition during Reverse Map Table (RMP) initialization that lets a malicious hypervisor corrupt RMP entries and void the integrity guarantees of SEV‑SNP guests. This...